Data as of Nov 14, 2026
90.176.20.0/22
2 residential-proxy exits · 30 daysO2 Business Services, a.s
Residential-proxy exits
Proxy exits
2
0.20% of its addresses · 30 days
Spread
1 of 4
/24s with at least one exit
Providers
3
selling exits here
Oct 15, 2026 – Nov 13, 2026
Exits seen per day
445 observations
Proxy providers listing exits
- RainProxy
- Shifter
- ZENPROXY_PREMIUM
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 90.176.0.0/19 | 8,192 | SK-BS-20061017 | O2 Business Services, a.s (ORG-OBSS2-RIPE) · SK | ALLOCATED PA | Nov 4, 2015 | csc@ |
| └ 90.176.20.0/22 | 1,024 | SK-O2BS-STATIC-CUSTOMERS-SUBNETS | O2BS pool for static subnet assignment for customers | LIR-PARTITIONED PA | Sep 24, 2018 | csc@ via SK-BS-20061017 |
| └ 90.176.20.40/30 | 4 | SK-DETOX | DETOX s.r.o. | ASSIGNED PA | Sep 7, 2018 | csc@ via SK-O2BS-STATIC-CUSTOMERS-SUBNETS |
| └ 90.176.20.48/29 | 8 | SK-STNICOLAUS | ST. NICOLAUS - trade, a.s. | ASSIGNED PA | Sep 17, 2018 | csc@ via SK-O2BS-STATIC-CUSTOMERS-SUBNETS |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
1,024 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 1,012 | 99% | 3 | |
| Business | 12 | 1.2% | 2 |
Network & registry
Announced by
Covering announcement 90.176.0.0/19
- Prefix
- 90.176.0.0/19
- Announced by
- AS28952 O2 Business Services, a.s
- Type
- Internet provider
- Proxy exits
- 5
- RPKI
- RPKI valid
- Netname
- SK-BS-20061017
- Registrant
- O2 Business Services, a.s
- RIR
- RIPE NCC
Origin network
AS28952
SK
- Name
- O2 Business Services, a.s
- Type
- Internet provider
- Registered
- Jun 8, 2015
- Domain
- o2bs.sk
- Website
- www.o2bs.sk
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 90.176.0.0/19
90.176.0.0/19
Routing history
- Pattern
- Stable
- First seen
- Oct 2015
- Current origin since
- Oct 2015 · 11 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 90.176.0.0/19 | AS28952 | /19 | RIPE | RPKI valid |
IRR
Route objects on 90.176.0.0/19
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS28952 | RIPE | O2BS.sk | AS5610-MTN SK-BS-MNT | Oct 20, 2015 |
Whois
Registration for this announcement
- Range
- 90.
176. 0. 0/ 19 - Netname
- SK-BS-20061017
- Registrant
- O2 Business Services, a.s
- Registrant country
- SK
- Organization
- O2 Business Services, a.s (ORG-OBSS2-RIPE)
- Org country
- SK
- Type
- ALLOCATED PA
- Created
- Nov 4, 2015
- Updated
- Feb 10, 2021
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- SK
- Delegated
- Sep 17, 2006
- Status
- assigned
Report abuse
Abuse contact
- csc@
o2bs. sk - Name
- O2 Business Services admin role
- Handle
- SKBS1-RIPE